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 Ms. Deem joined the AICPA’s Congressional and Political Affairs team in August 2009, where she works to advance the CPA profession’s agenda and enhance its political profile with lawmakers and Administration officials in Washington on important legislative, regulatory and policy initiatives. Diana has successfully advocated on behalf of the profession with regard to various aspects of the Dodd-Frank Wall Street Reform and Consumer Protection Act; the America Invents Act, particularly eliminating the patenting of tax strategies; the Digital Accountability and Transparency Act, specifically the provisions to require data standards, such as XBRL, for reporting federal financial information; and most recently, leading an effort to gain support from more than half of the Congress to oppose a tax reform proposal limiting the use of the cash basis of accounting. Diana is also a the AICPA’s Inclusion Advisory Team whose purpose is to help guide the implementation of diversity and inclusion into existing AICPA operations.

Prior to joining the AICPA, Diana worked for PricewaterhouseCoopers (and its predecessor firm Price Waterhouse) for nineteen years in audit, governmental and regulatory affairs, and the work/life quality and diversity practice. After leaving PwC, Diana was a staff member at Pyle Middle School in Montgomery County for several years. She is a CPA, licensed in Maryland, and a member of the AICPA and the Maryland Association of CPAs. Diana earned a B.S. in Accounting and a B.A. in Economics from the University of Maryland in College Park.

Diana currently chairs the AFS Government Relations Advisory Group. Other volunteer activities have included chairing the Pyle Guidance Advisory Committee, chairing the Walt Whitman High School Instrumental Music Boosters, and serving as a founding member of the Whitman Music Boosters Foundation Board.